Example Boolean boolean 001

 

 

Description

The boolean function converts an Integer, Text or Character argument into a Boolean object.

 

Details

A zero state is converted to the Boolean value, false

(boolean 0) Returns: false
(boolean "false" ) Returns: false

Any other state is converted to true.

(boolean 5) Returns: true
(boolean "true") Returns: true
(boolean #\c) Returns: true

 

Related Examples

Here are examples of the boolean function at work.

Boolean boolean 001

 

Function Links

Here is the link to the current function used in this example.

boolean

Here are a number of links to other related functions.

isBoolean(#void) isType(#void)

 

Argument Types

Here are the links to the data types of the arguments used in this example.

Boolean Text Integer

Here are a number of links to examples having similar argument types.

BitVector compare 018 BitVector compareEQ 014 BitVector compareGE 014 BitVector compareGT 014
BitVector compareLE 014 BitVector compareLT 014 BitVector compareNE 014 BitVector comparison 014
BitVector findBlock 001 BitVector freeBlock 001 BitVector inside 007 BitVector isAtom 010
BitVector isBitVector 001 BitVector isEqual 017 BitVector isIdentical 017 BitVector isMember 008
BitVector isObject 012 BitVector isType 020 BitVector length 013 BitVector member 008
BitVector ref 027 BitVector resize 010 BitVector sizeof 019 BitVector sort 017
BitVector vectorFill 007 Boolean addMethod 011 Boolean addMethod 012 Boolean bcompareEQ 001
Boolean bcompareGE 001 Boolean bcompareGT 001 Boolean bcompareLE 001 Boolean bcompareLT 001
Boolean bcompareNE 001 Boolean boolean 001 Boolean compare 009 Boolean compareEQ 009
Boolean compareGE 009 Boolean compareGT 009 Boolean compareLE 009 Boolean compareLT 009
Boolean compareNE 009 Boolean comparison functions 009 Boolean isBoolean 001 Boolean isEqual 007
Boolean isIdentical 007 Boolean isType 011 Boolean ref 018 Boolean setq 016
Boolean sizeof 009 Boolean type 011 ByteVector isByteVector 001 ByteVector isCharAlphabetic 003
ByteVector isCharAlphanumeric 003 ByteVector isCharLowercase 003 ByteVector isCharName 003 ByteVector isCharNumeric 003
ByteVector isCharUppercase 003 ByteVector isCharWhitespace 003 ByteVector isObject 013 ByteVector sizeof 020
Character cadd 001 Character ccompareEQ 001 Character ccompareGE 001 Character ccompareGT 001
Character ccompareLE 001 Character ccompareLT 001 Character ccompareNE 001 Character cdiv 001
Character character 001 Character cmod 001 Character cmul 001 Character compare 010
Character csub 001 Character isCharacter 001 Character setq 017 Character sizeof 010
Complex compare 021 Complex cos 002 Complex exp 002 Complex expt 002
Complex isComplex 001 Complex log 002 Complex log10 002 Complex log2 002
Complex logbase 002 Complex sin 002 Complex sqrt 002 Complex tan 002
Context clear 001 Context debug 001 Context globalBinding 001 CpxVector avg 002
CpxVector binaryInsert 008 CpxVector binarySearch 008 CpxVector compare 020 CpxVector compareEQ 020
CpxVector compareGE 020 CpxVector compareGT 020 CpxVector compareLE 020 CpxVector compareLT 020
CpxVector compareNE 020 Date compare 012 Date date 001 Date day 001
Date days360 001 Date hour 001 Date minute 001 Date month 001
Date second 001 Date setq 019 Date sizeof 012 Date time 001
Date time 002 Date year 001 Dictionary compare 004 Dictionary compareEQ 004
Dictionary compareGE 004 Dictionary compareGT 004 Dictionary compareLE 004 Dictionary compareLT 004
Dictionary compareNE 004 Dictionary comparison functions 004 Dictionary count 002 Dictionary delete 003
Dictionary delete 004 Dictionary insert 002 Dictionary isAtom 002 Dictionary isBound 002
Dictionary isDictionary 001 Dictionary isEqual 002 Dictionary isIdentical 002 Dictionary isInside 002
Dictionary isMember 002 Dictionary isObject 004 Dictionary isType 006 Dictionary length 005
Dictionary member 002 Dictionary new 004 Dictionary ref 007 Dictionary ref 008
Dictionary ref 009 Dictionary refAttributes 002 Dictionary refValues 002 Dictionary resize 002
Dictionary setq 007 Dictionary setq 008 Dictionary setq 009 Dictionary sizeof 004
Dictionary sort 003 Directory compare 005 Directory compareEQ 005 Directory compareGE 005
Directory compareGT 005 Directory compareLE 005 Directory compareLT 005 Directory compareNE 005
Directory comparison functions 005 Directory count 003 Directory delete 005 Directory delete 006
Directory insert 003 Directory inside 003 Directory isAtom 003 Directory isBound 003
Directory isDirectory 001 Directory isEqual 003 Directory isIdentical 003 Directory isObject 005
Directory isType 007 Directory length 006 Directory member 002 Directory member 003
Directory new 005 Directory new 006 Directory ref 011 Directory ref 012
Directory refAttributes 003 Directory refValues 003 Directory resize 003 Directory setq 010
Directory setq 011 Directory sizeof 005 Directory sort 008 Directory sort 009
Error isIdentical 007 FltVector binaryInsert 004 FltVector binarySearch 005 FltVector compare 014
FltVector compareEQ 014 FltVector compareGE 014 FltVector compareGT 014 FltVector compareLE 014
FltVector compareLT 014 FltVector compareNE 014 FltVector comparison functions 014 FltVector delete 009
FltVector insert 005 FltVector isAtom 005 FltVector isEqual 013 FltVector isFloatVector 001
FltVector isIdentical 012 FltVector isObject 007 FltVector isType 016 FltVector length 008
FltVector ref 022 FltVector resize 006 FltVector sizeof 014 FltVector sort 013
FltVector uniqueInsert 004 FltVector vectorFill 003 Function compare 013 Function sizeof 013
IntVector binaryInsert 005 IntVector binarySearch 006 IntVector compare 015 IntVector compareEQ 014
IntVector compareGE 014 IntVector compareGT 014 IntVector compareLE 014 IntVector compareLT 014
IntVector compareNE 014 IntVector comparison functions 014 IntVector delete 010 IntVector insert 006
IntVector inside 005 IntVector isAtom 006 IntVector isEqual 014 IntVector isIdentical 013
IntVector isIntegerVector 001 IntVector isMember 005 IntVector isObject 008 IntVector isType 017
IntVector length 009 IntVector member 005 IntVector ref 023 IntVector resize 007
IntVector sizeof 015 IntVector sort 014 IntVector uniqueInsert 005 IntVector vectorFill 004
Integer binaryNot 001 Integer bitwiseNot 001 Integer fact 001 Integer gcd 001
Integer iadd 001 Integer icompareGE 001 Integer icompareGT 001 Integer icompareLE 001
Integer icompareLT 001 Integer icompareNE 001 Integer idiv 001 Integer imod 001
Integer imul 001 Integer integer 001 Integer isub 001 Integer lcm 001
Lambda balance 001 Lambda compare 008 Lambda compareEQ 008 Lambda compareGE 008
Lambda compareGT 008 Lambda compareLE 008 Lambda compareLT 008 Lambda compareNE 004
Lambda compile 001 Lambda debug 001 Lambda globalBinding 001 Lambda onError 001
Lambda ref 017 Lambda setq 015 List compare 020 List compareEQ 020
List compareGE 020 List compareGT 020 List compareLE 020 List compareLT 020
List compareNE 020 List comparison 020 List count 007 List count 008
List isObject 015 List length 015 List sizeof 022 Matrix binaryInsert 004
Matrix binaryInsert 005 Matrix binarySearch 005 Matrix binarySearch 006 Matrix compare 007
Matrix compareEQ 007 Matrix compareGE 007 Matrix compareGT 007 Matrix compareLE 007
Matrix compareLT 007 Matrix compareNE 007 Matrix comparison functions 007 Matrix count 005
Matrix delete 009 Matrix insert 005 Matrix inside 005 Matrix isAtom 005
Matrix isEqual 005 Matrix isIdentical 005 Matrix isMatrix 001 Matrix isMember 005
Matrix isNumberMatrix 001 Matrix isObject 007 Matrix isType 009 Matrix length 008
Matrix makeGaussianMatrix 001 Matrix makeGramMatrix 001 Matrix matrixGaussianEliminate 001 Matrix matrixGaussianSubstitute 001
Matrix member 005 Matrix rank 001 Matrix ref 015 Matrix ref 016
Matrix resize 005 Matrix setq 014 Matrix sizeof 007 Matrix uniqueInsert 004
Matrix vectorFill 002 NumMatrix binaryInsert 007 NumMatrix binarySearch 007 NumMatrix compare 023
NumMatrix compareEQ 023 NumMatrix compareGE 023 NumMatrix compareGT 023 NumMatrix compareLE 023
NumMatrix compareLT 023 NumMatrix compareNE 023 NumMatrix comparison functions 023 NumMatrix count 009
NumMatrix delete 014 NumMatrix insert 009 NumMatrix inside 009 NumMatrix isAtom 012
NumMatrix isEqual 020 NumMatrix isIdentical 020 NumMatrix isMember 010 NumMatrix isNumberMatrix 001
NumMatrix isObject 014 NumMatrix isType 022 NumMatrix length 017 NumMatrix makeGaussianMatrix 001
NumMatrix makeGramMatrix 001 NumMatrix matrixGaussianEliminate 001 NumMatrix matrixGaussianSubstitute 001 NumMatrix member 009
NumMatrix rank 002 NumMatrix ref 035 NumMatrix resize 011 NumMatrix sizeof 028
NumMatrix uniqueInsert 005 NumMatrix vectorFill 008 NumVector binaryInsert 006 NumVector binarySearch 007
NumVector compare 016 NumVector compareEQ 014 NumVector compareGE 014 NumVector compareGT 014
NumVector compareLE 014 NumVector compareLT 014 NumVector compareNE 014 NumVector comparison 014
NumVector delete 011 NumVector insert 007 NumVector inside 006 NumVector isAtom 007
NumVector isEqual 015 NumVector isIdentical 014 NumVector isMember 006 NumVector isNumberVector 001
NumVector isObject 009 NumVector isType 018 NumVector length 010 NumVector member 006
NumVector objectToNumVector 001 NumVector ref 024 NumVector resize 008 NumVector sizeof 016
NumVector sort 015 NumVector uniqueInsert 006 NumVector vectorFill 005 Number asin 001
Number atan 001 Number avg 001 Number compare 011 Number cos 001
Number cosh 001 Number deg 001 Number exp 001 Number floor 001
Number kurtosis 001 Number log 001 Number log10 001 Number log2 001
Number logbase 001 Number max 001 Number median 001 Number min 001
Number mod 001 Number modi 001 Number nadd 001 Number ncompareGE 001
Number ncompareGT 001 Number ncompareLE 001 Number ncompareLT 001 Number ndiv 001
Number nmod 001 Number nmul 001 Number nsub 001 Number number 001
Number pi 001 Number product 001 Number rad 001 Number random 001
Number randomize 001 Number range 001 Number round 001 Number setq 018
Number sign 001 Number sin 001 Number sinh 001 Number sizeof 011
Number skew 001 Number sqrt 001 Number srandom 001 Number stdev 001
Number stdevp 001 Number sumsqr 001 Number tan 001 Number tanh 001
Number var 001 Number varp 001 ObjVector compare 017 ObjVector compareEQ 014
ObjVector compareGE 014 ObjVector compareGT 014 ObjVector compareLE 014 ObjVector compareLT 014
ObjVector compareNE 014 ObjVector comparison functions 014 ObjVector delete 012 ObjVector insert 008
ObjVector isAtom 008 ObjVector isEqual 016 ObjVector isIdentical 015 ObjVector isMember 007
ObjVector isObject 010 ObjVector isObjectVector 001 ObjVector isType 019 ObjVector length 011
ObjVector member 007 ObjVector ref 025 ObjVector resize 009 ObjVector sizeof 017
ObjVector sort 016 ObjVector uniqueInsert 007 ObjVector vectorFill 006 ObjectRepository clear 002
ObjectRepository compare 021 ObjectRepository compare 022 ObjectRepository compareEQ 021 ObjectRepository compareEQ 022
ObjectRepository compareGE 021 ObjectRepository compareGE 022 ObjectRepository compareGT 021 ObjectRepository compareGT 022
ObjectRepository compareLE 021 ObjectRepository compareLE 022 ObjectRepository compareLT 021 ObjectRepository compareLT 022
ObjectRepository compareNE 021 ObjectRepository compareNE 022 ObjectRepository comparison 021 ObjectRepository comparison 022
ObjectRepository delete 013 ObjectRepository isIdentical 019 ObjectRepository isImmediate 001 ObjectRepository saveImmediate 001
Pair compare 019 Pair compareEQ 019 Pair compareGE 019 Pair compareGT 019
Pair compareLE 019 Pair compareLT 019 Pair compareNE 019 Pair comparison 019
Pair count 006 Pair isObject 014 Pair length 014 Pair sizeof 021
PcodeVector isAtom 009 PcodeVector isIdentical 016 PcodeVector isObject 011 PcodeVector isPcodeVector 001
PcodeVector length 012 PcodeVector ref 026 PcodeVector sizeof 018 ShortVector binaryInsert 006
ShortVector binarySearch 007 ShortVector compare 016 ShortVector compareEQ 015 ShortVector compareGE 015
ShortVector compareGT 015 ShortVector compareLE 015 ShortVector compareLT 015 ShortVector compareNE 015
ShortVector comparison functions 015 ShortVector delete 011 ShortVector insert 007 ShortVector inside 006
ShortVector isAtom 007 ShortVector isEqual 015 ShortVector isIdentical 014 ShortVector isMember 006
ShortVector isObject 009 ShortVector isType 018 ShortVector length 010 ShortVector member 006
ShortVector ref 024 ShortVector resize 008 ShortVector sizeof 016 ShortVector sort 015
ShortVector uniqueInsert 007 ShortVector vectorFill 005 String addMethod 001 String clean 001
String code 001 String compare 001 String compareEQ 001 String compareGE 001
String compareGT 001 String compareLE 001 String compareLT 001 String compareNE 001
String comparison functions 001 String defMethod 001 String defMethod 002 String downcase 001
String find 001 String find 002 String hashString 001 String isChar 001
String isCharAlphabetic 001 String isCharAlphanumeric 001 String isCharLowercase 001 String isCharName 001
String isCharNumeric 001 String isCharUppercase 001 String isCharWhitespace 001 String isEqual 001
String isEqual 002 String isObject 001 String isString 001 String isText 001
String isType 001 String isType 002 String isType 003 String left 001
String length 001 String length 002 String methodsOf 001 String methodsOf 002
String methodsOf 003 String mid 001 String new 001 String parse 001
String ref 001 String ref 002 String replace 001 String rept 001
String right 001 String send 001 String sizeof 001 String string 001
String string 002 String string 003 String stringCiEQ 001 String stringCiGE 001
String stringCiGT 001 String stringCiLE 001 String stringCiLT 001 String stringCiNE 001
String stringFill 001 String stringToBVector 001 String stringToBVector 002 String stringToBVector 003
String stringToVector 001 String stringToVector 002 String stringToVector 003 String stringToVector 004
String substitute 001 String substitute 002 String substring 001 String substring 002
String substringCiEQ 001 String substringCiGE 001 String substringCiGT 001 String substringCiLE 001
String substringCiLT 001 String substringCiNE 001 String text 001 String trim 001
String type 001 String upcase 001 String upcase 002 String upcase 003
Structure apply 001 Structure binaryInsert 001 Structure binarySearch 001 Structure compareEQ 003
Structure compareGE 003 Structure compareGT 003 Structure compareLE 003 Structure compareLT 003
Structure compareNE 003 Structure comparison functions 003 Structure count 001 Structure defstruct 001
Structure defstruct 002 Structure delete 001 Structure insert 001 Structure inside 001
Structure isAtom 001 Structure isBound 001 Structure isEqual 001 Structure isIdentical 001
Structure isInside 001 Structure isMember 001 Structure isObject 003 Structure isStructure 001
Structure isType 005 Structure length 004 Structure member 001 Structure new 003
Structure ref 004 Structure ref 006 Structure refAttributes 001 Structure refValues 001
Structure resize 001 Structure setq 004 Structure setq 005 Structure setq 006
Structure sizeof 003 Structure uniqueInsert 001 Structure uniqueInsert 002 Symbol compare 002
Symbol compareEQ 002 Symbol compareGE 002 Symbol compareGT 002 Symbol compareLE 002
Symbol compareLT 002 Symbol compareNE 002 Symbol comparison functions 002 Symbol defMethod 003
Symbol hashString 002 Symbol isCharAlphabetic 002 Symbol isCharAlphanumeric 002 Symbol isCharLowercase 002
Symbol isCharName 002 Symbol isCharNumeric 002 Symbol isCharUppercase 002 Symbol isCharWhitespace 002
Symbol isObject 002 Symbol isSymbol 001 Symbol isType 004 Symbol length 003
Symbol new 002 Symbol send 002 Symbol sizeof 002 Symbol type 002
Vector binaryInsert 002 Vector binaryInsert 003 Vector binarySearch 003 Vector binarySearch 004
Vector compare 006 Vector compareEQ 006 Vector compareGE 006 Vector compareGT 006
Vector compareLE 006 Vector compareLT 006 Vector compareNE 006 Vector comparison functions 006
Vector count 004 Vector delete 007 Vector delete 008 Vector insert 004
Vector inside 004 Vector isAtom 004 Vector isEqual 004 Vector isIdentical 004
Vector isMember 004 Vector isObject 006 Vector isType 008 Vector isVector 001
Vector length 007 Vector member 004 Vector objectToVector 001 Vector ref 013
Vector ref 014 Vector refAttributes 004 Vector refValues 004 Vector resize 004
Vector setBlock 001 Vector setq 012 Vector setq 013 Vector sizeof 006
Vector sort 011 Vector uniqueInsert 003 Vector vectorFill 001 Void compare 008
Void compareEQ 008 Void compareGE 008 Void compareGT 008 Void compareLE 008
Void compareLT 008 Void compareNE 008 Void comparison functions 008 Void isEqual 006
Void isIdentical 006 Void isType 010 Void ref 017 Void setq 015
Void sizeof 008 substringEQ 001 substringFill 001 substringGE 001
substringGT 001 substringLE 001 substringLT 001 substringNE 001

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